A2 · Модуль 18 · Юніт 17

Have to і don't have to; must і mustn't

have to і must — треба. А заперечення різні: don't have to — не обов’язково, mustn't — не можна.

Приклади — з тексту юніта «A Place in the Workshop»

Підмет+have to / has to / must+дієслово
Have to: хто → форма
have toIyouwethey
has tohesheit

She has to clean the tools after work.Після роботи їй треба чистити інструменти.

Must: одна форма, без to
I / she / theymustwear
must not = mustn't

You must switch off the machine before you leave.Перед виходом треба вимкнути верстат.

Have to: + / − / ?
+·Youhave topay. −·Youdon't have topay. she: has to → doesn't have to ?DoIhave topay? Минуле — had to: Yesterday I had to stay late.

Do I have to bring my own tools? — No, you don't have to.Мені треба приносити власні інструменти? — Ні, не треба.

У + однаково, у − по-різному
must have to + треба
must

так вирішив той, хто говорить: моє правило чи рішення

You must wear gloves when you cut something.Коли щось ріжете, мусите бути в рукавицях.

I must call my mum tonight.Я мушу сьогодні ввечері подзвонити мамі.

have to

обов’язок ззовні: правила, обставини

But you have to lock the cupboard every evening.Але шафку треба щовечора замикати.

− різне!
mustn't

не можна, заборонено

You mustn't go back for your bag.Повертатися по сумку не можна.

don't have to

не обов’язково, але можна

When you paint, gloves are unnecessary, so you don't have to wear them.Коли фарбуєте, рукавиці непотрібні, тож їх можна не вдягати.

must

Після must — дієслово без to: You must wear. Минулого в must немає — кажемо had to: Yesterday I had to stay late.

You must to wear gloves.
You must wear gloves.
Тут не можна бігати. → You don't have to run here.
Тут не можна бігати. → You mustn't run here.

«Не можна» — mustn't. don't have to означає «не обов’язково».

Перевір себе

Обери форму
Gloves are unnecessary, so youwear them.
Every memberclean their table.